app/src/main/java/net/ktnx/mobileledger/ui/profiles/ProfileDetailFragment.java

   1 /*
   2  * Copyright © 2019 Damyan Ivanov.
   3  * This file is part of MoLe.
   4  * MoLe is free software: you can distribute it and/or modify it
   5  * under the term of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your opinion), any later version.
   8  *
   9  * MoLe is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License terms for details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.ktnx.mobileledger.ui.profiles;
  19
  20 import android.app.Activity;
  21 import android.app.AlertDialog;
  22 import android.graphics.Typeface;
  23 import android.os.Bundle;
  24 import android.text.Editable;
  25 import android.text.TextWatcher;
  26 import android.view.LayoutInflater;
  27 import android.view.Menu;
  28 import android.view.MenuInflater;
  29 import android.view.MenuItem;
  30 import android.view.View;
  31 import android.view.ViewGroup;
  32 import android.widget.LinearLayout;
  33 import android.widget.PopupMenu;
  34 import android.widget.Switch;
  35 import android.widget.TextView;
  36
  37 import androidx.annotation.NonNull;
  38 import androidx.annotation.Nullable;
  39 import androidx.appcompat.app.AppCompatActivity;
  40 import androidx.fragment.app.Fragment;
  41 import androidx.fragment.app.FragmentActivity;
  42 import androidx.lifecycle.LifecycleOwner;
  43 import androidx.lifecycle.ViewModelProvider;
  44
  45 import com.google.android.material.appbar.CollapsingToolbarLayout;
  46 import com.google.android.material.floatingactionbutton.FloatingActionButton;
  47 import com.google.android.material.textfield.TextInputLayout;
  48
  49 import net.ktnx.mobileledger.BuildConfig;
  50 import net.ktnx.mobileledger.R;
  51 import net.ktnx.mobileledger.async.SendTransactionTask;
  52 import net.ktnx.mobileledger.model.Data;
  53 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  54 import net.ktnx.mobileledger.ui.CurrencySelectorFragment;
  55 import net.ktnx.mobileledger.ui.HueRingDialog;
  56 import net.ktnx.mobileledger.ui.activity.ProfileDetailActivity;
  57 import net.ktnx.mobileledger.utils.Colors;
  58 import net.ktnx.mobileledger.utils.Misc;
  59
  60 import org.jetbrains.annotations.NonNls;
  61 import org.jetbrains.annotations.NotNull;
  62
  63 import java.net.MalformedURLException;
  64 import java.net.URL;
  65 import java.util.ArrayList;
  66 import java.util.Objects;
  67
  68 import static net.ktnx.mobileledger.utils.Colors.profileThemeId;
  69 import static net.ktnx.mobileledger.utils.Logger.debug;
  70
  71 /**
  72  * A fragment representing a single Profile detail screen.
  73  * a {@link ProfileDetailActivity}
  74  * on handsets.
  75  */
  76 public class ProfileDetailFragment extends Fragment {
  77     /**
  78      * The fragment argument representing the item ID that this fragment
  79      * represents.
  80      */
  81     public static final String ARG_ITEM_ID = "item_id";
  82     public static final String ARG_HUE = "hue";
  83     @NonNls
  84
  85     /**
  86      * The content this fragment is presenting.
  87      */ private MobileLedgerProfile mProfile;
  88     private TextView url;
  89     private TextView defaultCommodity;
  90     private View defaultCommodityLayout;
  91     private boolean defaultCommoditySet;
  92     private TextInputLayout urlLayout;
  93     private LinearLayout authParams;
  94     private Switch useAuthentication;
  95     private TextView userName;
  96     private TextInputLayout userNameLayout;
  97     private TextView password;
  98     private TextInputLayout passwordLayout;
  99     private TextView profileName;
 100     private TextInputLayout profileNameLayout;
 101     private TextView preferredAccountsFilter;
 102     private TextInputLayout preferredAccountsFilterLayout;
 103     private View huePickerView;
 104     private View insecureWarningText;
 105     private TextView futureDatesText;
 106     private View futureDatesLayout;
 107     private TextView apiVersionText;
 108     private boolean syncingModelFromUI = false;
 109     /**
 110      * Mandatory empty constructor for the fragment manager to instantiate the
 111      * fragment (e.g. upon screen orientation changes).
 112      */
 113     public ProfileDetailFragment() {
 114     }
 115     @Override
 116     public void onCreateOptionsMenu(@NotNull Menu menu, @NotNull MenuInflater inflater) {
 117         debug("profiles", "[fragment] Creating profile details options menu");
 118         super.onCreateOptionsMenu(menu, inflater);
 119         inflater.inflate(R.menu.profile_details, menu);
 120         final MenuItem menuDeleteProfile = menu.findItem(R.id.menuDelete);
 121         menuDeleteProfile.setOnMenuItemClickListener(item -> {
 122             AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
 123             builder.setTitle(mProfile.getName());
 124             builder.setMessage(R.string.remove_profile_dialog_message);
 125             builder.setPositiveButton(R.string.Remove, (dialog, which) -> {
 126                 debug("profiles",
 127                         String.format("[fragment] removing profile %s", mProfile.getUuid()));
 128                 mProfile.removeFromDB();
 129                 ArrayList<MobileLedgerProfile> oldList = Data.profiles.getValue();
 130                 if (oldList == null)
 131                     throw new AssertionError();
 132                 ArrayList<MobileLedgerProfile> newList = new ArrayList<>(oldList);
 133                 newList.remove(mProfile);
 134                 Data.profiles.setValue(newList);
 135                 if (mProfile.equals(Data.profile.getValue())) {
 136                     debug("profiles", "[fragment] setting current profile to 0");
 137                     Data.setCurrentProfile(newList.get(0));
 138                 }
 139
 140                 final FragmentActivity activity = getActivity();
 141                 if (activity != null)
 142                     activity.finish();
 143             });
 144             builder.show();
 145             return false;
 146         });
 147         final ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 148         menuDeleteProfile.setVisible(
 149                 (mProfile != null) && (profiles != null) && (profiles.size() > 1));
 150
 151         if (BuildConfig.DEBUG) {
 152             final MenuItem menuWipeProfileData = menu.findItem(R.id.menuWipeData);
 153             menuWipeProfileData.setOnMenuItemClickListener(ignored -> onWipeDataMenuClicked());
 154             menuWipeProfileData.setVisible(mProfile != null);
 155         }
 156     }
 157     private boolean onWipeDataMenuClicked() {
 158         // this is a development option, so no confirmation
 159         mProfile.wipeAllData();
 160         if (mProfile.equals(Data.profile.getValue()))
 161             triggerProfileChange();
 162         return true;
 163     }
 164     private void triggerProfileChange() {
 165         int index = Data.getProfileIndex(mProfile);
 166         MobileLedgerProfile newProfile = new MobileLedgerProfile(mProfile);
 167         final ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 168         if (profiles == null)
 169             throw new AssertionError();
 170         profiles.set(index, newProfile);
 171
 172         ProfilesRecyclerViewAdapter viewAdapter = ProfilesRecyclerViewAdapter.getInstance();
 173         if (viewAdapter != null)
 174             viewAdapter.notifyItemChanged(index);
 175
 176         if (mProfile.equals(Data.profile.getValue()))
 177             Data.profile.setValue(newProfile);
 178     }
 179     private void hookTextChangeSyncRoutine(TextView view, TextChangeSyncProc syncRoutine) {
 180         view.addTextChangedListener(new TextWatcher() {
 181             @Override
 182             public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 183             @Override
 184             public void onTextChanged(CharSequence s, int start, int before, int count) {}
 185             @Override
 186             public void afterTextChanged(Editable s) { syncRoutine.onTextChanged(s.toString());}
 187         });
 188     }
 189     @Override
 190     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
 191         super.onActivityCreated(savedInstanceState);
 192         Activity context = getActivity();
 193         if (context == null)
 194             return;
 195
 196         if ((getArguments() != null) && getArguments().containsKey(ARG_ITEM_ID)) {
 197             int index = getArguments().getInt(ARG_ITEM_ID, -1);
 198             ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 199             if ((profiles != null) && (index != -1) && (index < profiles.size()))
 200                 mProfile = profiles.get(index);
 201
 202             Activity activity = this.getActivity();
 203             if (activity == null)
 204                 throw new AssertionError();
 205             CollapsingToolbarLayout appBarLayout = activity.findViewById(R.id.toolbar_layout);
 206             if (appBarLayout != null) {
 207                 if (mProfile != null)
 208                     appBarLayout.setTitle(mProfile.getName());
 209                 else
 210                     appBarLayout.setTitle(getResources().getString(R.string.new_profile_title));
 211             }
 212         }
 213
 214         final LifecycleOwner viewLifecycleOwner = getViewLifecycleOwner();
 215         final ProfileDetailModel model = getModel();
 216
 217         model.observeDefaultCommodity(viewLifecycleOwner, c -> {
 218             if (c != null)
 219                 setDefaultCommodity(c.getName());
 220             else
 221                 resetDefaultCommodity();
 222         });
 223
 224         FloatingActionButton fab = context.findViewById(R.id.fab);
 225         fab.setOnClickListener(v -> onSaveFabClicked());
 226
 227         profileName = context.findViewById(R.id.profile_name);
 228         hookTextChangeSyncRoutine(profileName, model::setProfileName);
 229         model.observeProfileName(viewLifecycleOwner, pn -> {
 230             if (!Misc.equalStrings(pn, profileName.getText()))
 231                 profileName.setText(pn);
 232         });
 233
 234         profileNameLayout = context.findViewById(R.id.profile_name_layout);
 235
 236         url = context.findViewById(R.id.url);
 237         hookTextChangeSyncRoutine(url, model::setUrl);
 238         model.observeUrl(viewLifecycleOwner, u -> {
 239             if (!Misc.equalStrings(u, url.getText()))
 240                 url.setText(u);
 241         });
 242
 243         urlLayout = context.findViewById(R.id.url_layout);
 244
 245         defaultCommodityLayout = context.findViewById(R.id.default_commodity_layout);
 246         defaultCommodityLayout.setOnClickListener(v -> {
 247             CurrencySelectorFragment cpf = CurrencySelectorFragment.newInstance(
 248                     CurrencySelectorFragment.DEFAULT_COLUMN_COUNT, false);
 249             cpf.setOnCurrencySelectedListener(model::setDefaultCommodity);
 250             final AppCompatActivity activity = (AppCompatActivity) v.getContext();
 251             cpf.show(activity.getSupportFragmentManager(), "currency-selector");
 252         });
 253
 254         Switch showCommodityByDefault = context.findViewById(R.id.profile_show_commodity);
 255         showCommodityByDefault.setOnCheckedChangeListener(
 256                 (buttonView, isChecked) -> model.setShowCommodityByDefault(isChecked));
 257         model.observeShowCommodityByDefault(viewLifecycleOwner, showCommodityByDefault::setChecked);
 258
 259         View postingSubItems = context.findViewById(R.id.posting_sub_items);
 260
 261         Switch postingPermitted = context.findViewById(R.id.profile_permit_posting);
 262         model.observePostingPermitted(viewLifecycleOwner, isChecked -> {
 263             postingPermitted.setChecked(isChecked);
 264             postingSubItems.setVisibility(isChecked ? View.VISIBLE : View.GONE);
 265         });
 266         postingPermitted.setOnCheckedChangeListener(
 267                 ((buttonView, isChecked) -> model.setPostingPermitted(isChecked)));
 268
 269         Switch showCommentsByDefault = context.findViewById(R.id.profile_show_comments);
 270         model.observeShowCommentsByDefault(viewLifecycleOwner, isChecked -> {
 271             showCommentsByDefault.setChecked(isChecked);
 272         });
 273         showCommentsByDefault.setOnCheckedChangeListener(
 274                 ((buttonView, isChecked) -> model.setShowCommentsByDefault(isChecked)));
 275
 276         defaultCommodity = context.findViewById(R.id.default_commodity_text);
 277
 278         futureDatesLayout = context.findViewById(R.id.future_dates_layout);
 279         futureDatesText = context.findViewById(R.id.future_dates_text);
 280         context.findViewById(R.id.future_dates_layout)
 281                .setOnClickListener(v -> {
 282                    MenuInflater mi = new MenuInflater(context);
 283                    PopupMenu menu = new PopupMenu(context, v);
 284                    menu.inflate(R.menu.future_dates);
 285                    menu.setOnMenuItemClickListener(item -> {
 286                        model.setFutureDates(futureDatesSettingFromMenuItemId(item.getItemId()));
 287                        return true;
 288                    });
 289                    menu.show();
 290                });
 291         model.observeFutureDates(viewLifecycleOwner,
 292                 v -> futureDatesText.setText(v.getText(getResources())));
 293
 294         apiVersionText = context.findViewById(R.id.api_version_text);
 295         model.observeApiVersion(viewLifecycleOwner, apiVer -> {
 296             apiVersionText.setText(apiVer.getDescription(getResources()));
 297         });
 298         context.findViewById(R.id.api_version_layout)
 299                .setOnClickListener(v -> {
 300                    MenuInflater mi = new MenuInflater(context);
 301                    PopupMenu menu = new PopupMenu(context, v);
 302                    menu.inflate(R.menu.api_version);
 303                    menu.setOnMenuItemClickListener(item -> {
 304                        SendTransactionTask.API apiVer;
 305                        switch (item.getItemId()) {
 306                            case R.id.api_version_menu_html:
 307                                apiVer = SendTransactionTask.API.html;
 308                                break;
 309                            case R.id.api_version_menu_post_1_14:
 310                                apiVer = SendTransactionTask.API.post_1_14;
 311                                break;
 312                            case R.id.api_version_menu_pre_1_15:
 313                                apiVer = SendTransactionTask.API.pre_1_15;
 314                                break;
 315                            case R.id.api_version_menu_auto:
 316                            default:
 317                                apiVer = SendTransactionTask.API.auto;
 318                        }
 319                        model.setApiVersion(apiVer);
 320                        apiVersionText.setText(apiVer.getDescription(getResources()));
 321                        return true;
 322                    });
 323                    menu.show();
 324                });
 325         authParams = context.findViewById(R.id.auth_params);
 326
 327         useAuthentication = context.findViewById(R.id.enable_http_auth);
 328         useAuthentication.setOnCheckedChangeListener((buttonView, isChecked) -> {
 329             model.setUseAuthentication(isChecked);
 330             if (isChecked)
 331                 userName.requestFocus();
 332         });
 333         model.observeUseAuthentication(viewLifecycleOwner, isChecked -> {
 334             useAuthentication.setChecked(isChecked);
 335             authParams.setVisibility(isChecked ? View.VISIBLE : View.GONE);
 336             checkInsecureSchemeWithAuth();
 337         });
 338
 339         userName = context.findViewById(R.id.auth_user_name);
 340         model.observeUserName(viewLifecycleOwner, text -> {
 341             if (!Misc.equalStrings(text, userName.getText()))
 342                 userName.setText(text);
 343         });
 344         hookTextChangeSyncRoutine(userName, model::setAuthUserName);
 345         userNameLayout = context.findViewById(R.id.auth_user_name_layout);
 346
 347         password = context.findViewById(R.id.password);
 348         model.observePassword(viewLifecycleOwner, text -> {
 349             if (!Misc.equalStrings(text, password.getText()))
 350                 password.setText(text);
 351         });
 352         hookTextChangeSyncRoutine(password, model::setAuthPassword);
 353         passwordLayout = context.findViewById(R.id.password_layout);
 354
 355         huePickerView = context.findViewById(R.id.btn_pick_ring_color);
 356         model.observeThemeId(viewLifecycleOwner, themeId -> {
 357             final int hue = (themeId == -1) ? Colors.DEFAULT_HUE_DEG : themeId;
 358             final int profileColor = Colors.getPrimaryColorForHue(hue);
 359             huePickerView.setBackgroundColor(profileColor);
 360             huePickerView.setTag(hue);
 361         });
 362
 363         preferredAccountsFilter = context.findViewById(R.id.preferred_accounts_filter_filter);
 364         model.observePreferredAccountsFilter(viewLifecycleOwner, text -> {
 365             if (!Misc.equalStrings(text, preferredAccountsFilter.getText()))
 366                 preferredAccountsFilter.setText(text);
 367         });
 368         hookTextChangeSyncRoutine(preferredAccountsFilter, model::setPreferredAccountsFilter);
 369         preferredAccountsFilterLayout =
 370                 context.findViewById(R.id.preferred_accounts_accounts_filter_layout);
 371
 372         insecureWarningText = context.findViewById(R.id.insecure_scheme_text);
 373
 374         hookClearErrorOnFocusListener(profileName, profileNameLayout);
 375         hookClearErrorOnFocusListener(url, urlLayout);
 376         hookClearErrorOnFocusListener(userName, userNameLayout);
 377         hookClearErrorOnFocusListener(password, passwordLayout);
 378
 379         if (savedInstanceState == null) {
 380             model.setValuesFromProfile(mProfile, getArguments().getInt(ARG_HUE, -1));
 381         }
 382         checkInsecureSchemeWithAuth();
 383
 384         url.addTextChangedListener(new TextWatcher() {
 385             @Override
 386             public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 387             @Override
 388             public void onTextChanged(CharSequence s, int start, int before, int count) {}
 389             @Override
 390             public void afterTextChanged(Editable s) {
 391                 checkInsecureSchemeWithAuth();
 392             }
 393         });
 394
 395         huePickerView.setOnClickListener(v -> {
 396             HueRingDialog d = new HueRingDialog(
 397                     Objects.requireNonNull(ProfileDetailFragment.this.getContext()), profileThemeId,
 398                     (Integer) v.getTag());
 399             d.show();
 400             d.setColorSelectedListener(model::setThemeId);
 401         });
 402
 403         profileName.requestFocus();
 404     }
 405     private MobileLedgerProfile.FutureDates futureDatesSettingFromMenuItemId(int itemId) {
 406         switch (itemId) {
 407             case R.id.menu_future_dates_7:
 408                 return MobileLedgerProfile.FutureDates.OneWeek;
 409             case R.id.menu_future_dates_14:
 410                 return MobileLedgerProfile.FutureDates.TwoWeeks;
 411             case R.id.menu_future_dates_30:
 412                 return MobileLedgerProfile.FutureDates.OneMonth;
 413             case R.id.menu_future_dates_60:
 414                 return MobileLedgerProfile.FutureDates.TwoMonths;
 415             case R.id.menu_future_dates_90:
 416                 return MobileLedgerProfile.FutureDates.ThreeMonths;
 417             case R.id.menu_future_dates_180:
 418                 return MobileLedgerProfile.FutureDates.SixMonths;
 419             case R.id.menu_future_dates_365:
 420                 return MobileLedgerProfile.FutureDates.OneYear;
 421             case R.id.menu_future_dates_all:
 422                 return MobileLedgerProfile.FutureDates.All;
 423             default:
 424                 return MobileLedgerProfile.FutureDates.None;
 425         }
 426     }
 427     @NotNull
 428     private ProfileDetailModel getModel() {
 429         return new ViewModelProvider(this).get(ProfileDetailModel.class);
 430     }
 431     private void onSaveFabClicked() {
 432         if (!checkValidity())
 433             return;
 434
 435         ProfileDetailModel model = getModel();
 436
 437         if (mProfile != null) {
 438             model.updateProfile(mProfile);
 439 //                debug("profiles", String.format("Selected item is %d", mProfile.getThemeHue()));
 440             mProfile.storeInDB();
 441             debug("profiles", "profile stored in DB");
 442             triggerProfileChange();
 443         }
 444         else {
 445             mProfile = new MobileLedgerProfile();
 446             model.updateProfile(mProfile);
 447             mProfile.storeInDB();
 448             final ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 449             if (profiles == null)
 450                 throw new AssertionError();
 451             ArrayList<MobileLedgerProfile> newList = new ArrayList<>(profiles);
 452             newList.add(mProfile);
 453             Data.profiles.setValue(newList);
 454             MobileLedgerProfile.storeProfilesOrder();
 455
 456             // first profile ever?
 457             if (newList.size() == 1)
 458                 Data.profile.setValue(mProfile);
 459         }
 460
 461         Activity activity = getActivity();
 462         if (activity != null)
 463             activity.finish();
 464     }
 465     @Override
 466     public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container,
 467                              Bundle savedInstanceState) {
 468
 469         return inflater.inflate(R.layout.profile_detail, container, false);
 470     }
 471     private boolean checkUrlValidity() {
 472         boolean valid = true;
 473
 474         ProfileDetailModel model = getModel();
 475
 476         String val = model.getUrl()
 477                           .trim();
 478         if (val.isEmpty()) {
 479             valid = false;
 480             urlLayout.setError(getResources().getText(R.string.err_profile_url_empty));
 481         }
 482         try {
 483             URL url = new URL(val);
 484             String host = url.getHost();
 485             if (host == null || host.isEmpty())
 486                 throw new MalformedURLException("Missing host");
 487             String protocol = url.getProtocol()
 488                                  .toUpperCase();
 489             if (!protocol.equals("HTTP") && !protocol.equals("HTTPS")) {
 490                 valid = false;
 491                 urlLayout.setError(getResources().getText(R.string.err_invalid_url));
 492             }
 493         }
 494         catch (MalformedURLException e) {
 495             valid = false;
 496             urlLayout.setError(getResources().getText(R.string.err_invalid_url));
 497         }
 498
 499         return valid;
 500     }
 501     private void checkInsecureSchemeWithAuth() {
 502         boolean showWarning = false;
 503
 504         final ProfileDetailModel model = getModel();
 505
 506         if (model.getUseAuthentication()) {
 507             String urlText = model.getUrl();
 508             if (urlText.startsWith("http") && !urlText.startsWith("https"))
 509                 showWarning = true;
 510         }
 511
 512         if (showWarning)
 513             insecureWarningText.setVisibility(View.VISIBLE);
 514         else
 515             insecureWarningText.setVisibility(View.GONE);
 516     }
 517     private void hookClearErrorOnFocusListener(TextView view, TextInputLayout layout) {
 518         view.setOnFocusChangeListener((v, hasFocus) -> {
 519             if (hasFocus)
 520                 layout.setError(null);
 521         });
 522         view.addTextChangedListener(new TextWatcher() {
 523             @Override
 524             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 525             }
 526             @Override
 527             public void onTextChanged(CharSequence s, int start, int before, int count) {
 528                 layout.setError(null);
 529             }
 530             @Override
 531             public void afterTextChanged(Editable s) {
 532             }
 533         });
 534     }
 535     private void syncModelFromUI() {
 536         if (syncingModelFromUI)
 537             return;
 538
 539         syncingModelFromUI = true;
 540
 541         try {
 542             ProfileDetailModel model = getModel();
 543
 544             model.setProfileName(profileName.getText());
 545             model.setUrl(url.getText());
 546             model.setPreferredAccountsFilter(preferredAccountsFilter.getText());
 547             model.setAuthUserName(userName.getText());
 548             model.setAuthPassword(password.getText());
 549         }
 550         finally {
 551             syncingModelFromUI = false;
 552         }
 553     }
 554     private boolean checkValidity() {
 555         boolean valid = true;
 556
 557         String val = String.valueOf(profileName.getText());
 558         if (val.trim()
 559                .isEmpty())
 560         {
 561             valid = false;
 562             profileNameLayout.setError(getResources().getText(R.string.err_profile_name_empty));
 563         }
 564
 565         if (!checkUrlValidity())
 566             valid = false;
 567
 568         if (useAuthentication.isChecked()) {
 569             val = String.valueOf(userName.getText());
 570             if (val.trim()
 571                    .isEmpty())
 572             {
 573                 valid = false;
 574                 userNameLayout.setError(
 575                         getResources().getText(R.string.err_profile_user_name_empty));
 576             }
 577
 578             val = String.valueOf(password.getText());
 579             if (val.trim()
 580                    .isEmpty())
 581             {
 582                 valid = false;
 583                 passwordLayout.setError(
 584                         getResources().getText(R.string.err_profile_password_empty));
 585             }
 586         }
 587
 588         return valid;
 589     }
 590     private void resetDefaultCommodity() {
 591         defaultCommoditySet = false;
 592         defaultCommodity.setText(R.string.btn_no_currency);
 593         defaultCommodity.setTypeface(defaultCommodity.getTypeface(), Typeface.ITALIC);
 594     }
 595     private void setDefaultCommodity(@NonNull @NotNull String name) {
 596         defaultCommoditySet = true;
 597         defaultCommodity.setText(name);
 598         defaultCommodity.setTypeface(defaultCommodity.getTypeface(), Typeface.BOLD);
 599     }
 600     interface TextChangeSyncProc {
 601         void onTextChanged(String text);
 602     }
 603 }